A 30-year-old man has been booked for allegedly harassing a woman school teacher and stalking her on social media, police said on Monday.

The accused followed the 24-year-old woman on a social networking site. He later called up the victim’s mother demanding that the woman be married to him or else he would kidnap her and throw acid on her. The man also threatened the victim’s mother, they said.

Fed up with the harassment call that the accused began around June last year, the woman filed a complaint with Kasarwadavli police on Sunday evening.